Features * Variable Speed Motor * Fully Scalable 4-20mA Input * Hall Effect Input * Contacting Head Water Meter Input * Flow Totalization * Cycle Timer * Daily Timer * LCD Display * Duplex Head Models Engineering Data Drive : Variable Input Duplex Head Tubing : Norprene Low Pressure : 1/ 4†or 3/ 8†Tube Fittings Norprene High Pressure : 1/ 4†or 3/ 8†Tube Fittings Fluron : 1/ 4†or 3/ 8†Tube Fittings Viscosity Max CPS : 300 CPS Turn-Down Ratio : 100: 1 Enclosure : NEMA 3R / IP31 ( In Horizontal Position) Power Input : 115 VAC/ 60 HZ, 230 VAC/ 50/ 60 HZ Temperature Limitations : 104pF / 40pC max Shipping Weight : 8 lbs. / 3.63kg.